The 4WD Omni-Directional Mecanum Chassis (Double-Deck) is a high-performance robot chassis designed for omnidirectional movement. It features four sets of Mecanum wheels, each with 45-degree angled rollers that allow for smooth and agile movement in any direction. This chassis is built with a double-deck design, which provides ample space for adding sensors, controllers, and other components to the robot. The upper deck is made of aluminum alloy, which is lightweight and durable, while the lower deck is made of thickened acrylic, providing a sturdy and stable base. The chassis is powered by four high-torque DC motors, each with a maximum speed of 100 RPM and a maximum torque of 8kg-cm. The motors are equipped with encoders, providing precise control over the robot's movements. The Mecanum chassis is compatible with a variety of microcontrollers and sensors, making it ideal for use in a wide range of robotics applications, including autonomous navigation, teleoperation, and mobile robotics. The chassis comes with a pre-assembled base, wheels, and motors, and is easy to assemble and customize. It includes all the necessary hardware for mounting components, and the wiring is pre-routed for convenience. Overall, the 4WD Omni-Directional Mecanum Chassis (Double-Deck) is a high-quality, versatile, and customizable platform that provides omnidirectional movement for robotics applications. Its durable construction, precise control, and easy customization make it an ideal choice for robotics enthusiasts and professionals alike.